Once the interlocutory decision becomes final or the amended texts text in which the patent is to be maintained have has been drawn up in opposition appeal proceedings, the formalities officer requests the patent proprietor. of the patent
If the European patent in the amended form contains different claims for different contracting states, a translation of all sets of claims – in the text communicated to the patent proprietor of the patent – into all official languages other than the language of the proceedings must be filed.
If the request under the first paragraph above is not complied with "in due time", the acts may still be validly performed within two months of notification of a communication pointing out the failure to observe the time limit, provided that within this two-month period the prescribed surcharge is paid. If any of the acts is not performed within the period of grace, the formalities officer will issue a decision for revocation of the patent in accordance with Rule 82(3).